See ‘Science Bob’ do some exciting (and exploding!) experiments on TODAY

High school science teacher “Science Bob” Pflugfelder educates TODAY’s Dylan Dreyer, Sheinelle Jones and guest co-host Zach Braff with some cool and inspiring science stunts, like using a Van de Graaff generator to make pie plates fly off Braff’s head and heating metal pipes to produce the NBC chime.March 30, 2017